This is a replacement Serpent LC 2 Speed Shoe Set, and is intended for use with the Serpent 710, 720, and 733 1/10 vehicles, as well as 835, 960, and 966 1/8 vehicles. These LC Gearbox Shoes are made from a strong, wear resistant material for improved shifting performance and extended shoe life. They will also extend the life of the 2nd gear carriers. Includes shoes and all fasteners required to mount the shoes to the 2 speed adapter (not included).